Novel series of thallium cuprate superconductors

Ganguli, A. K. ; Vijayaraghavan, R. ; Rao, C. N. R. (1989) Novel series of thallium cuprate superconductors Physica C: Superconductivity, 162-164 . pp. 867-868. ISSN 0921-4534

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The TlCa1−xLnxSr2Cu2 O7+δ (Ln=rare earth) system shows electron-superconductivity when x=0.25 and hole-superconductivity when x>0.25. The Tc is generally in the 60-90K in both these regimes. TlSr2−xLaxCuOy (1021) also show electron or hole superconductivity (Tc~40K) depending on x.

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Deposited On:02 Jun 2011 11:21
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